Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
230014goodexcellent21excellent
220013goodexcellent21excellent
21009excellentexcellent11excellent
20009excellentexcellent11excellent
19007excellentexcellent11excellent
18008excellentexcellent11excellent
170010excellentexcellent11excellent
160015goodexcellent11excellent
150014goodexcellent11excellent
14009excellentexcellent11excellent
13008excellentexcellent11excellent
12008excellentexcellent11excellent
11009excellentexcellent11excellent
10007excellentexcellent11excellent
090011excellentexcellent21excellent
080014goodexcellent21excellent
070014goodexcellent21excellent
060012excellentexcellent11excellent
05008excellentexcellent11excellent
04007excellentexcellent11excellent
03007excellentexcellent11excellent
02008excellentexcellent11excellent
01007excellentexcellent11excellent
00007excellentexcellent11excellent